银是一种贵重金属,银质零件的成型应该采用少废料或无废料的制造工艺。我厂交流接触器上有一接点触头(形状及尺寸见图1),以往我们用车削成型的方法,所以效率低、材料浪费大。由于零件太小,工人操作时很吃力。一般冲压成型广泛采用冷镦形式,这就要求利用直径为 Silver is a precious metal, and the formation of silver parts should use less or no scrap manufacturing process. I plant a contact contact contactor (shape and size shown in Figure 1), in the past we use the method of turning forming, so inefficient, material waste. Because the parts are too small, workers are very hard to operate. General stamping forming widely used cold heading form, which requires the use of diameter